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Finding the Fourth Proportional to 290,804.19, 436,206.96 and 88,402.14

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Solution

The fourth proportional to 290,804.19, 436,206.96 and 88,402.14 is: 132,603.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,804.19 : 436,206.96 = 88,402.14 : x
  2. Step 2: Convert to fraction form
    290,804.19/436,206.96 = 88,402.14/x
  3. Step 3: Cross multiply
    290,804.19x = 436,206.96 × 88,402.14
  4. Step 4: Simplify right side
    290,804.19x = 38,561,628,746.89
  5. Step 5: Solve for x
    x = 38,561,628,746.89/290,804.19
  6. Step 6: Final answer
    x = 132,603.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.